/*
 * Copyright (C) 2025 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.cloud.teleport.spanner.spannerio.changestreams.dofn;

import com.google.cloud.teleport.spanner.spannerio.changestreams.dao.DaoFactory;
import java.io.Serializable;
import java.util.List;
import org.apache.beam.sdk.transforms.DoFn;

public class CleanUpReadChangeStreamDoFn extends DoFn<byte[], Void> implements Serializable {

  private static final long serialVersionUID = -2016761780280479411L;

  private final DaoFactory daoFactory;

  public CleanUpReadChangeStreamDoFn(DaoFactory daoFactory) {
    this.daoFactory = daoFactory;
  }

  @ProcessElement
  public void processElement(OutputReceiver<Void> receiver) {
    List<String> indexes = daoFactory.getPartitionMetadataDao().findAllTableIndexes();
    daoFactory.getPartitionMetadataAdminDao().deletePartitionMetadataTable(indexes);
  }
}
